260072288613 has 12 divisors (see below), whose sum is σ = 377735444268. Its totient is φ = 172423615680.

The previous prime is 260072288599. The next prime is 260072288639. The reversal of 260072288613 is 316882270062.

260072288613 is a `hidden beast` number, since 2 + 6 + 0 + 0 + 7 + 2 + 28 + 8 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1603762209 + 258468526404 = 40047^2 + 508398^2 .

It is not a de Polignac number, because 260072288613 - 2¹² = 260072284517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260072288513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79824120 + ... + 79827377.

It is an arithmetic number, because the mean of its divisors is an integer number (31477953689).

Almost surely, 2^260072288613 is an apocalyptic number.

It is an amenable number.

260072288613 is a deficient number, since it is larger than the sum of its proper divisors (117663155655).

260072288613 is a wasteful number, since it uses less digits than its factorization.

260072288613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159651684 (or 159651681 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 260072288613 in words is "two hundred sixty billion, seventy-two million, two hundred eighty-eight thousand, six hundred thirteen".